Answer:
use area to solve
Step-by-step explanation:
Answer:
there answer is either a or c
Answer:
77.12 cm to the nearest hundredth.
Step-by-step explanation:
The length of the curved part = 1/2 * 2 pi r
= 15 pi.
Total perimeter = 30 + 15pi
= 30 + 15*3.1416
= 77.124.